/Engine/Plugins/Runtime/MassEntity/Source/MassEntity/Public/MassObserverRegistry.h
A helper accessor simplifying access while still keeping Container private
const [TMap](API\Runtime\Core\Containers\TMap)< [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< const [UScriptStruct](API\Runtime\CoreUObject\UObject\UScriptStruct) >, [FMassProcessorClassCollection](API\Plugins\MassEntity\FMassProcessorClassCollection) > & operator*() const